Bidin, Noriah and Mohd. Noor, Faizani and Tamuri, Abd Rahman (2011) Characteristic of femtosecond titanium sapphire oscillator. In: Enabling Science And Nanotechnology. American Institute of Physics Inc., 264 -267. ISBN 978-073540897-5
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Official URL: http://dx.doi.org/10.1063/1.3586998
A mode locked Titanium sapphire Ti:Al2O3 oscillator energized by Diode pumped solid state laser at 532 nm was developed and characterized. The oscillator was aligned based on z-folder cavity. The stability of the output was monitor via the oscilloscope. The mode locked frequency was operated at 75 MHz. The power was detected by high-speed photodiode and digitized on a broadband powermeter. The pulse duration was directly measured via autocorellator. A beam profiler was utilized to record the dynamic expansion of the beam along the Rayleigh region. The average output power of the laser was found to be as 260 mW corresponding the input power of 4 W. The energy of the femtopulse is 3.57 nJ with pulse duration of 50 fs. The focused intensity is achieved almost 4×108W/cm2 with M2~2.
|Item Type:||Book Section|
|Uncontrolled Keywords:||beam quality, femtosecond laser. M2 factor, mode locked, titanium sapphire|
|Deposited By:||Liza Porijo|
|Deposited On:||04 Dec 2012 07:30|
|Last Modified:||04 Feb 2017 07:26|
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